FR1596367A - - Google Patents

Info

Publication number
FR1596367A
FR1596367A FR1596367DA FR1596367A FR 1596367 A FR1596367 A FR 1596367A FR 1596367D A FR1596367D A FR 1596367DA FR 1596367 A FR1596367 A FR 1596367A
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR1596367A publication Critical patent/FR1596367A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/626—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields
    • H01J29/628—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields co-operating with or closely associated to an electron gun
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/485—Construction of the gun or of parts thereof
FR1596367D 1967-12-22 1968-12-23 Expired FR1596367A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6717636A NL6717636A (fi) 1967-12-22 1967-12-22

Publications (1)

Publication Number Publication Date
FR1596367A true FR1596367A (fi) 1970-06-15

Family

ID=19802089

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1596367D Expired FR1596367A (fi) 1967-12-22 1968-12-23

Country Status (6)

Country Link
US (1) US3497763A (fi)
BE (1) BE725861A (fi)
DE (1) DE1812024A1 (fi)
FR (1) FR1596367A (fi)
GB (1) GB1177319A (fi)
NL (1) NL6717636A (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1180966B (de) * 1959-11-10 1964-11-05 Robert Thomas Lewis Rahmen fuer Filme, insbesondere Diapositive
DE1284656B (de) * 1964-03-03 1968-12-05 Philipp Hans Juergen Wechselrahmen fuer Diapositive
JPS4819097B1 (fi) * 1969-07-23 1973-06-11
US4130775A (en) * 1977-01-17 1978-12-19 Tektronix, Inc. Charge image charge transfer cathode ray tube having a scan expansion electron lens system and collimation electrode means
NL178374C (nl) * 1977-11-24 1986-03-03 Philips Nv Elektronenstraalbuis met niet-rotatiesymmetrische elektronenlens tussen eerste en tweede rooster.
NL175002C (nl) * 1977-11-24 1984-09-03 Philips Nv Kathodestraalbuis met tenminste een elektronenkanon.
US4399388A (en) * 1980-10-16 1983-08-16 Tokyo Shibaura Denki Kabushiki Kaisha Picture tube with an electron gun having non-circular aperture
US4558253A (en) * 1983-04-18 1985-12-10 Rca Corporation Color picture tube having an inline electron gun with asymmetric focusing lens
US4608515A (en) * 1985-04-30 1986-08-26 Rca Corporation Cathode-ray tube having a screen grid with asymmetric beam focusing means and refraction lens means formed therein
FR2705164B1 (fr) * 1993-05-10 1995-07-13 Thomson Tubes & Displays Tube image couleurs à canons à électrons en ligne avec lentilles astigmatiques.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2919381A (en) * 1956-07-25 1959-12-29 Farrand Optical Co Inc Electron lens
NL108855C (fi) * 1956-09-07
US2988660A (en) * 1958-07-02 1961-06-13 Gen Dynamics Corp Electro optical system in a cathode ray tube
US3349269A (en) * 1963-11-29 1967-10-24 Stromberg Carlson Corp Astigmatic lens arrangement for cathode ray tubes
US3373310A (en) * 1964-07-17 1968-03-12 E H Res Lab Inc Cathode ray tube selective deflection amplifier using a quadrupole lens of critical length
US3376449A (en) * 1967-01-20 1968-04-02 Ion Physics Corp Electrostatic quadrapole lens assembly with transverse intermediate termination elements of resistive material joining together the quadrapole electrodes for preventing beam aberration

Also Published As

Publication number Publication date
US3497763A (en) 1970-02-24
DE1812024A1 (de) 1969-12-04
BE725861A (fi) 1969-06-20
GB1177319A (en) 1970-01-07
NL6717636A (fi) 1969-06-24

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Legal Events

Date Code Title Description
ST Notification of lapse